Finding the Fourth Proportional to 39,443,409.88, 54,430,861.41 and 22,039,898.14
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Solution
The fourth proportional to 39,443,409.88, 54,430,861.41 and 22,039,898.14 is: 30,414,475.95
Step by Step Solution
- Step 1: Write the proportion equation
39,443,409.88 : 54,430,861.41 = 22,039,898.14 : x - Step 2: Convert to fraction form
39,443,409.88/54,430,861.41 = 22,039,898.14/x - Step 3: Cross multiply
39,443,409.88x = 54,430,861.41 × 22,039,898.14 - Step 4: Simplify right side
39,443,409.88x = 1,199,650,641,148,856.75 - Step 5: Solve for x
x = 1,199,650,641,148,856.75/39,443,409.88 - Step 6: Final answer
x = 30,414,475.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.